1. Be sure not to talk when eating, and swallow the meal before talking.
2. When there is no requirement, you must definitely not pay attention to strangers and acquaintances. This will very, very, very offend others' privacy.
3. When walking, you must raise your head and chest, believing that you will not be too weak.
4. Be careful not to squeeze into others when walking, so that it is super super super super super offensive.
5. Your personal hygiene must be taken care of, and you must know how to adapt to changes after you have determined your own arrangements.
6. Don't just impose your own ideas on others.
7. When others have something to do, don't offend others, and never offend others.
8. When asking questions, don't ask others without thinking, you must be sure, you must be sure, you must be patient and listen to others to finish the matter.
9. When others are speaking, you must, must, must, must not insert others' mouths. In any case, it is very, very important to listen to what others say.